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BP: Fachverband Biologische Physik

BP 12: Posters: New Technologies

BP 12.9: Poster

Monday, March 14, 2011, 17:15–20:00, P3

The FIRST project: Fragmentation cross sections for hadron therapy — •Christoph Schuy — GSI, on behalf of the FIRST collaboration

Motivation: The possibility to treat highly radio-resistant tumors while sparing OAR (organs-at-risk) has led to an increasing importance of hadron therapy. To further optimize treatment planning and benchmark Monte Carlo codes, a detailed characterization of the interaction of carbon ions in biological tissue and other relevant materials is necessary. The FIRST (Fragmentation of Ions Relevant for Space and Therapy) experiment, performed by an international collaboration (France, Germany, Italy, Spain), aims at studying nuclear fragmentation processes for therapy and space relevant ion beams and measure double-differential cross sections for high energy fragmentation reactions.

Methods: A complex detector array will be used to measure charge, mass, angular distribution and energy of all fragments plus high-energy neutrons in forward direction. The experimental setup consists of Aladin detectors (Aladin magnet, TP-MUSIC IV, ToF wall) and LAND (Large Area Neutron Detector) as well as newly designed detectors in the interaction region.

Outlook: The first experiment with 200MeV/u and 400MeV/u carbon beams on a carbon target is scheduled for late summer 2011 and will be performed in cave C at the GSI Helmholtz Centre for Heavy Ion Research in Darmstadt, Germany.